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/*
* ========================================================
*
* LibCompiler
* Copyright (C) 2024-2025 Amlal El Mahrouss, all rights reserved.
*
* ========================================================
*/
/**
* @file PString.cxx
* @author Amlal (amlal@el-mahrouss-logic.com)
* @brief C++ string manipulation API.
* @version 0.2
* @date 2024-01-23
*
* @copyright Copyright (c) Amlal El Mahrouss
*
*/
#include <LibCompiler/PString.h>
namespace LibCompiler {
CharType* PString::Data() {
return m_Data;
}
const CharType* PString::CData() const {
return m_Data;
}
SizeType PString::Length() const {
return strlen(m_Data);
}
bool PString::operator==(const PString& rhs) const {
if (rhs.Length() != Length()) return false;
for (SizeType index = 0; index < Length(); ++index) {
if (rhs.m_Data[index] != m_Data[index]) return false;
}
return true;
}
bool PString::operator==(const CharType* rhs) const {
if (string_length(rhs) != Length()) return false;
for (SizeType index = 0; index < string_length(rhs); ++index) {
if (rhs[index] != m_Data[index]) return false;
}
return true;
}
bool PString::operator!=(const PString& rhs) const {
if (rhs.Length() != Length()) return false;
for (SizeType index = 0; index < rhs.Length(); ++index) {
if (rhs.m_Data[index] == m_Data[index]) return false;
}
return true;
}
bool PString::operator!=(const CharType* rhs) const {
if (string_length(rhs) != Length()) return false;
for (SizeType index = 0; index < string_length(rhs); ++index) {
if (rhs[index] == m_Data[index]) return false;
}
return true;
}
PString StringBuilder::Construct(const CharType* data) {
if (!data || *data == 0) return PString(0);
PString view(strlen(data));
view += data;
return view;
}
const char* StringBuilder::FromInt(const char* fmt, int i) {
if (!fmt) return ("-1");
auto ret_len = 8 + string_length(fmt);
char* ret = new char[ret_len];
if (!ret) return ("-1");
memset(ret, 0, ret_len);
CharType result[sizeof(int64_t)];
if (!to_str(result, sizeof(int64_t), i)) {
delete[] ret;
return ("-1");
}
const auto fmt_len = string_length(fmt);
const auto res_len = string_length(result);
for (SizeType idx = 0; idx < fmt_len; ++idx) {
if (fmt[idx] == '%') {
SizeType result_cnt = idx;
for (auto y_idx = 0; y_idx < res_len; ++y_idx) {
ret[y_idx] = result[result_cnt];
++result_cnt;
}
break;
}
ret[idx] = fmt[idx];
}
return ret; /* Copy that ret into a buffer, Alloca allocates to the stack */
}
const char* StringBuilder::FromBool(const char* fmt, bool i) {
if (!fmt) return ("?");
const char* boolean_expr = i ? "true" : "false";
char* ret = new char[i ? 4 : 5 + string_length(fmt)];
if (!ret) return ("?");
const auto fmt_len = string_length(fmt);
const auto res_len = string_length(boolean_expr);
for (SizeType idx = 0; idx < fmt_len; ++idx) {
if (fmt[idx] == '%') {
SizeType result_cnt = idx;
for (auto y_idx = idx; y_idx < res_len; ++y_idx) {
ret[result_cnt] = boolean_expr[y_idx];
++result_cnt;
}
break;
}
ret[idx] = fmt[idx];
}
return ret;
}
bool StringBuilder::Equals(const char* lhs, const char* rhs) {
if (string_length(rhs) != string_length(lhs)) return false;
for (SizeType index = 0; index < string_length(rhs); ++index) {
if (rhs[index] != lhs[index]) return false;
}
return true;
}
const char* StringBuilder::Format(const char* fmt, const char* fmtRight) {
if (!fmt || !fmtRight) return ("?");
char* ret = new char[string_length(fmtRight) + string_length(fmtRight)];
if (!ret) return ("?");
for (SizeType idx = 0; idx < string_length(fmt); ++idx) {
if (fmt[idx] == '%') {
SizeType result_cnt = idx;
for (SizeType y_idx = 0; y_idx < string_length(fmtRight); ++y_idx) {
ret[result_cnt] = fmtRight[y_idx];
++result_cnt;
}
break;
}
ret[idx] = fmt[idx];
}
return ret;
}
PString& PString::operator+=(const CharType* rhs) {
if (strlen(rhs) > this->m_Sz) {
throw std::runtime_error("out_of_bounds: PString");
}
memcpy(this->m_Data + this->m_Cur, rhs, strlen(rhs));
this->m_Cur += strlen(rhs);
return *this;
}
PString& PString::operator+=(const PString& rhs) {
if (rhs.m_Cur > this->m_Sz) {
throw std::runtime_error("out_of_bounds: PString");
}
memcpy(this->m_Data + this->m_Cur, rhs.CData(), strlen(rhs.CData()));
this->m_Cur += strlen(rhs.CData());
return *this;
}
} // namespace LibCompiler
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